From: Émeric M. <eme...@gm...> - 2014-05-22 18:27:28
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Hi, Several years ago, I started a thread about stability issues with hp zx1 chipset and ATI FireGL X1 graphics adapter on ia64 platform [1]. As an attempt to minimize problems, a quirk was introduced to restrict AGP mode to 2x [2]. This never solve the stability issues, as the real cause was in fact incorrect settings of the selectable timer interrupt frequency [3]. The attached patch thus removes the useless restriction on AGP mode. Indeed, I'm running at full AGP 4x mode for several weeks now without a problem. The attached patch applies cleanly against 3.15-rc5. Thanks, Émeric [1] http://marc.info/?l=dri-devel&m=126494456828755&w=2 [2] http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=a7f465f73363fce409870f62173d518b1bc02ae6 [3] http://marc.info/?l=linux-ia64&m=140077543819871&w=2 |